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Individual Calculations September 2018 |
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| Rajapaksha, Sethum Damhiru Total change: 7.20 | |   |
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| Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1071 | 1.00 | 4 | 0.18 | 40 | 7.20 | |
|  Wijesuriya, G P Y | | wc | 1471 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Himsara, W A Janidu | | | 1266 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Gunasekara, Danuka | | | 1239 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Jayasuriya, Linali Andrea | | | 1306 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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